Is Bitcoin’s Biggest Exchange Bitfinex Unreliable? Bitcoin has fared better than stocks but worse than gold and U.S. Treasuries during the coronavirus pandemic, with investors. 26 Jan 2018. This is Money guides you through wallets, exchanges and CFDs. Most bitcoin activity is trading not investing. Meanwhile, in 2016, a hack saw the Bitfinex exchange platform lose 120,000 bitcoin. A raft of